Fiberglass pultrusion grating 2.0" , T-bar 33% open rate, fire-resistant, UV protection, Chemical resistant, ABS ... 38mm, 50mmLoading Bar type: T-bar, I-barOpen rate: 33%, 40%, 50%, 60%Panel size: 1.2x6m or any size ... Index = 15 for GP, Iso, resin,= 10 for VE,= 0 for phenolic,Smoke development index: = 310 for GP, ISO, VE ... and technical request. fiberglass pultrusion grating, T-bar 2.0", 33% open rate